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Finding the Fourth Proportional to 185,718.40, 278,473 and 59,328.96

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Solution

The fourth proportional to 185,718.40, 278,473 and 59,328.96 is: 88,960.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,718.40 : 278,473 = 59,328.96 : x
  2. Step 2: Convert to fraction form
    185,718.40/278,473 = 59,328.96/x
  3. Step 3: Cross multiply
    185,718.40x = 278,473 × 59,328.96
  4. Step 4: Simplify right side
    185,718.40x = 16,521,513,478.08
  5. Step 5: Solve for x
    x = 16,521,513,478.08/185,718.40
  6. Step 6: Final answer
    x = 88,960.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.